CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01

Informatics Practices
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Review targeted exam resources with the CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Informatics Practices sample papers support effective revision and performance tracking.

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View or download the dedicated CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01 resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.

1 (a) Draw a network layout of bus topology to connect 5 client computers and 1 server computer.

(b) Mr. John wants to prevent unauthorized access to/from his company's local area network. Write the name of a system (software/ hardware), which he should install to do the same.

(c) Which of the following are open source softwares :

GNU, MS-Office, BOSS, Windows OS

(d) Name the government organization that contributes to the growth of FOSS in India.

(e) Read the given activities carefully and mention whether the activity is snooping or eavesdropping:

i. Getting someone’s login information by casually watching what he/she is typing.

ii. Setting up unauthorized parallel telephone lines

iii. Installing some software/hardware which captures the data while on its way.

iv. Reading the files on someone’s computer in an unauthorized manner.

(d) Kristen has typed the following text in the address bar:

http://www.cbse-international.com/help.htm

Identify and differentiate the URL and Domain name with reference to the example given above.

(e) Chanakya has to write a paragraph in English on nobel laureates as a part of his holiday homework. He is using a software in which he types the text in Hindi and the software automatically converts the text into English. For example, if he types the software converts it into “Nobel Prize is given in six categories”.

What kind of text entry is it – phonetic text entry OR keymap based text entry? How is it different from the other kind of text entry? 

2 (a) In a java program Rajat wants to use a variable to store the quantity of an item which may be in whole numbers or decimals. Write a suitable java statement to declare the variable for the above mentioned purpose.
 
(b) What will be the values of num and num1 after execution of the following code:
 
int num,num1=0;
for(num=100;num<=101;num++)
{
num1= num+2;
--num1;
}
 
(c) Zia is working with list box. She has placed a list control on her form to display the list of all items available in her shop. She wants to allow the user to select multiple items from her list control. Which property of jList should she use to do the same?
 
(d) Raman has typed the following code:

int ch=Integer.parseInt(jTextField1.getText());
switch(ch)
{
case 1:jTextField2.setText("Service");
case 2: jTextField2.setText("Complaint");
case 3: jTextField2.setText("Operator");
break;
default: jTextField2.setText("Not a valid entry");
}
On entering the value 1, 2 or 3, he is getting the same output. Mention the possible reason for the same.
 
(e) Jennifer wants to write html code to create an ordered list starting with “c”. Help her in writing the code.
 
(f) Write any two advantages of xml over html. 
 
(g) Write java code that take any three digit number from the user in jTextField1,calculate the sum of the digits and display it in separate textfield named jTextField2.
For example If the number entered is 432, it should answers as 9 (i.e. 4+3+2).


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Model Practice Papers & Solutions for Class 12 Informatics Practices

Class 12 Informatics Practices CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01 PDF Download Guide

Review model practice papers for Class 12 Informatics Practices. Working through the CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01 under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Key Advantages of Solving CBSE Class 12 Informatics Practices Sample Paper 2015 Set 01

  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 12 Informatics Practices topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

Post-Practice Strategy for Class 12 Informatics Practices

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 12 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Informatics Practices sample modules online to maximize preparedness for CBSE evaluations.

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